<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var tom = {
            age: 0,
            setAge(value) {
                if (isNaN(value)) {
                    throw { name: "TypeError", message: "年龄必须是数字",age:this.age};
                } else {
                    this.age = value;
                }
            }
        }

        try{
            tom.setAge("Five");
        }
        catch(error){
            console.log(error);
        }
    </script>
</body>

</html>